Ⅰ. 根据句意及首字母或汉语提示完成单词（10分）
1. He got the d_____ backwards. He drove south instead of north.
2. I’ve learned the lesson by heart and can r _____it from memory.
3. We became good friends, and our f _____continued to his death.
4. Something______（意想不到的） always breaks out in this area.
5. Try as I might, and I couldn’t lift the _____（石头）.
